Gravity Probe B

Testing Einstein's Universe

WEEKLY HIGHLIGHTS FOR WEEK ENDING 21 JUNE 2002:

SPACE VEHICLE CONTINUES TO MAKE GOOD PROGRESS
Integration and test on the space vehicle continued to make good progress during the past week.
The guard tank vent line was installed and leak checked. The main tank of the dewar was filled with liquid helium to approximately 72%.
Dry runs were performed for the A and B side full functional test. The plan is to perform the run for the record test next week (IT-01 3B 12.1. and 12.2).
A confidence test was performed for the heat pulse meter test (15.6).

Photo: None available this week.

VEHICLE RE-ORIENTED
The GP-B Space Vehicle team successfully re-installed the vehicle into the
Tilt Dolly and tilted it horizontal. The vehicle re-orientation is to
facilitate final assembly operations and thruster testing.